Patents by Inventor Xiaomang Zhang

Xiaomang Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230094077
    Abstract: A backlight adjusting method of display device, a backlight adjusting device and a display device are provided, where the display device includes a display panel and a backlight element, the display panel is divided into a plurality of display subareas, the backlight element includes a plurality of backlight subareas, the display subareas and the backlight subareas are in a one-to-one correspondence, the method includes: for each of the backlight subareas, calculating an initial backlight value of the backlight subarea according to pixel information of the display subarea corresponding to the backlight subarea; and determining a first correction backlight value of the backlight subarea according to a preset backlight threshold and an initial backlight value of each of the other backlight subareas adjacent to the backlight subarea.
    Type: Application
    Filed: June 17, 2021
    Publication date: March 30, 2023
    Inventors: Chenxi ZHAO, Xingyu GUO, Tiankuo SHI, Xiaomang ZHANG, Xiangjun PENG, Shuo ZHANG
  • Publication number: 20230088530
    Abstract: A sound-generating device, a display device, a sound-generating controlling method, and a sound-generating controlling device are provided. The sound-generating device includes: a reflection plate which includes a first sound wave reflection face arranged towards a first direction; a plurality of main loudspeakers, the plurality of main loudspeakers are distributed in an array in a preset three-dimensional space, and the preset three-dimensional space is located at one side of the first sound wave reflection face towards a first direction; the plurality of main loudspeakers include first main loudspeakers with a sound-generating direction towards the first direction, and second main loudspeakers with a sound-generating direction towards a second direction, the second direction is an opposite direction of the first direction; and the sound waves emitted by the second main loudspeakers are transmitted to the first sound wave reflection face and can be reflected by the first sound wave reflection face.
    Type: Application
    Filed: May 21, 2021
    Publication date: March 23, 2023
    Inventors: Shuo ZHANG, Tiankuo SHI, Xiaomang ZHANG, Yanhui XI, Zhihua JI, Yan SUN, Chenxi ZHAO, Xiangjun PENG, Yifan HOU, Lianghao ZHANG, Li TIAN, Jing LIU, Wei SUN
  • Publication number: 20230088891
    Abstract: Provided is a method for determining grayscale data. The method for determining grayscale data includes acquiring a source image; acquiring pixel values of third pixel points by calculating weighted values of channel values of a first pixel point and channel values of second pixel points of corresponding colors; acquiring a first image by replacing pixel values of the second pixel points in the source image with the pixel values of the third pixel points; and determining grayscale data of the first panel and grayscale data of the second panel based on the first image.
    Type: Application
    Filed: August 5, 2021
    Publication date: March 23, 2023
    Inventors: Shuo Zhang, Yanhui Xi, Tiankuo Shi, Xiaomang Zhang, Zhihua Ji, Yan Sun, Chenxi Zhao, Xiangjun Peng, Yifan Hou, Minglei Chu
  • Publication number: 20230074524
    Abstract: The present disclosure provides a method and a device for obtaining display compensation information, a display compensation method and a display compensation device. The method includes: obtaining target data in a pure-color image displayed by a display panel, the display panel including a plurality of pixels, each pixel includes a plurality of monochromatic light-emitting elements in various colors, each monochromatic light-emitting element in a corresponding color being configured to display an image at a highest grayscale value when the pure-color image is displayed by the display panel; determining a conversion matrix for a target gamut of the display panel and a pixel conversion matrix for each pixel in accordance with the target data; and determining a uniformity conversion matrix for performing brightness and chromaticity uniformity compensation on each pixel in accordance with the pixel conversion matrix and the conversion matrix for the target gamut.
    Type: Application
    Filed: August 12, 2021
    Publication date: March 9, 2023
    Inventors: Xiangjun PENG, Tiankuo SHI, Chenxi ZHAO, Yifan HOU, Xiaomang ZHANG, Wei SUN, Shuo ZHANG, Yan SUN
  • Publication number: 20230075878
    Abstract: The present application provides an audio and video playing system, a playing method and a playing device. The system comprises: a display device; a directional sound output module configured to output a directional sound signal; a tracking element configured to monitor a target visual area and to monitor the target display area on the display screen; and a processor, connected with the directional sound output module and the tracking element respectively, and configured to acquire a first audio and video data to be output in the target display area, display image information of the first audio and video data in the target display area, and output sound information of the first audio and video data to the directional sound output module such that the directional sound output module output a directional sound signal towards the target visual area.
    Type: Application
    Filed: April 27, 2021
    Publication date: March 9, 2023
    Inventors: Xiaomang ZHANG, Xiangjun PENG, Tiankuo SHI, Chenxi ZHAO, Shuo ZHANG, Yifan HOU, Yan SUN, Li TIAN, Jing LIU, Wei SUN, Zhihua JI, Yanhui XI
  • Publication number: 20230049237
    Abstract: Provided are a method, apparatus and device for compensating a display screen and a display screen driver board, which belong to the technical field of display.
    Type: Application
    Filed: August 5, 2021
    Publication date: February 16, 2023
    Inventors: Tiankuo SHI, Yifan HOU, Xiangjun PENG, Chenxi ZHAO, Xiaomang ZHANG, Minglei CHU, Xin DUAN, Wei SUN, Ming CHEN, Lingyun SHI
  • Publication number: 20230045236
    Abstract: The present disclosure provides a display device, a sound-emitting control method, and a sound-emitting control device. The device includes: a display screen which includes a first display region, a middle display region, and a second display region; a plurality of sound-emitting units, which include: a plurality of first sound-emitting units, a plurality of second sound-emitting units and a plurality of third sound-emitting units; the plurality of first sound-emitting units and the plurality of second sound-emitting units respectively include a sound-emitting unit which emits sounds at a first frequency band, a sound-emitting unit which emits sounds at a second frequency band, and a sound-emitting unit which emits sounds at a third frequency band; the first, second, and third frequency bands increase in turn; and all of the plurality of third sound-emitting units are the sound-emitting units emitting sound in the second frequency band.
    Type: Application
    Filed: May 19, 2021
    Publication date: February 9, 2023
    Inventors: Minglei CHU, Yanhui XI, Xiaomang ZHANG, Xiangjun PENG, Wenchao HAN, Lianghao ZHANG, Wei SUN, Rui LIU, Xin DUAN, Tiankuo SHI
  • Publication number: 20220398981
    Abstract: A display device and a method for driving the display device are described, where the display device includes a plurality of pixel island groups, a plurality of lenses, a positioning module, and a gate driving chip. The plurality of pixel island groups are arranged in array, wherein each of the pixel island groups includes a plurality of pixel islands, and different pixel islands are able to be scanned in different scanning modes. The positioning module is configured to determine a gaze area and a non-gaze area according to gazed coordinates of human eye. The gate driving chip is configured to provide gate driving signals in a first driving manner to sub-pixel units in the gaze area, and provide gate driving signals simultaneously in a second driving manner to sub-pixel units in the non-gaze area during a scanning stage of the sub-pixel units in the non-gaze area.
    Type: Application
    Filed: December 22, 2020
    Publication date: December 15, 2022
    Inventors: Tiankuo SHI, Wei SUN, Yifan HOU, Zhihua JI, Xiaomang ZHANG, Rui LIU, Jigang SUN, Yuxin BI, Xue DONG
  • Publication number: 20220383829
    Abstract: A driving method of a display panel, a driving device, a display device, and a storage medium are provided. The driving method of the display panel includes: obtaining an input image that is to be displayed; determining a display picture corresponding to the plurality of display pixels of the display screen according to the input image; determining a first dimming picture corresponding to the plurality of dimming pixels of the dimming screen according to the input image, and processing the first dimming picture to obtain a second dimming picture; providing the display picture to make the dimming screen perform backlight modulation on the display screen according to the second dimming picture, and providing the second dimming picture to make the display screen display the input image according to the display picture.
    Type: Application
    Filed: May 31, 2021
    Publication date: December 1, 2022
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanhui XI, Tiankuo SHI, Xiaomang ZHANG, Yan SUN, Shuo ZHANG, Zhihua JI, Wei SUN, Ming CHEN
  • Publication number: 20220345723
    Abstract: The present disclosure provides an image compression method, including steps of: acquiring a human-eye fixation point on an original image, and determining a fixation region and a non-fixation region of the original image according to the human-eye fixation point; and compressing the non-fixation region, and generating a compressed image according to the fixation region and the compressed non-fixation region. The present disclosure also provides an image display method, an image compression apparatus, an image display apparatus, and a computer readable medium.
    Type: Application
    Filed: May 8, 2021
    Publication date: October 27, 2022
    Inventors: Zhihua JI, Tiankuo SHI, Xiaomang ZHANG, Chingwen KUNG, Rui LIU, Yifan HOU, Minglei CHU, Yanhui XI, Yan SUN, Chenxi ZHAO, Xiangjun PENG, Shuo ZHANG
  • Publication number: 20220309984
    Abstract: A display data processing method of a display device, a display device, an electronic device, and a storage medium are disclosed.
    Type: Application
    Filed: March 27, 2020
    Publication date: September 29, 2022
    Inventors: Yanhui XI, Tiankuo SHI, Yan SUN, Xiaomang ZHANG, Yifan HOU, Xin DUAN, Wei SUN, Ming CHEN, Yifang CHU, Lingyun SHI
  • Publication number: 20220283466
    Abstract: An alignment deviation detection method and apparatus of a display panel, a data compensation method and apparatus. The method includes: providing a first data signal for causing the dimming screen to display an alignment dimming picture including a first alignment pattern; providing a second data signal for causing the display screen to display an alignment display picture including a second alignment pattern; under a control of the first data signal, making the dimming screen display the alignment dimming picture, and under a control of the second data signal, making the display screen display the alignment display picture; according to a display situation of the second alignment pattern, determining an alignment state between the display screen and the dimming screen. An orthographic projection of the second alignment pattern on the dimming screen is preset to be at least partially aligned with and at least partially deviated from the first alignment pattern.
    Type: Application
    Filed: March 27, 2020
    Publication date: September 8, 2022
    Inventors: Yanhui XI, Tiankuo SHI, Yan SUN, Xiaomang ZHANG, Yifan HOU, Xin DUAN, Wei SUN, Ming CHEN, Wenchieh HUANG, Shaoru ZHANG
  • Patent number: 11417285
    Abstract: Provided are a method for controlling backlight of a display device, a backlight controller for a display device, and a display device. The method includes: identifying a light emission luminance of each backlight partition in a backlight module according to display luminances of the plurality of display partitions; when the plurality of backlight partitions include two adjacent backlight partitions and an absolute value of a difference between the light emission luminance of the two adjacent backlight partitions is greater than a target threshold, adjusting the light emission luminance of at least one of the two adjacent backlight partitions such that the absolute value of the difference between the light emission luminances of the two adjacent backlight partitions is decreased; and after the luminance is adjusted, controlling light-emitting of each backlight partition.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: August 16, 2022
    Assignees: Beijing BOE Optoelectronics Technology Co., LTD., BOE Technology Group Co., LTD
    Inventors: Yilang Sun, Tiankuo Shi, Zhihua Ji, Xiaomang Zhang, Yifan Hou
  • Patent number: 11393419
    Abstract: The display technologies relate to a method and computer-readable medium for displaying image and to a display device configured to perform the method for displaying image. The image display method includes acquiring an image for display in an nth frame on a display screen; detecting a first sub-image and a second sub-image within the image, a resolution of the first sub-image being higher than a resolution of the second sub-image; comparing the first sub-image in the nth frame with a corresponding sub-image in an (n?1)th frame; and refreshing a localized area of the display screen positionally corresponding to the first sub-image to display an interpolated sub-image in the localized area.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: July 19, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiankuo Shi, Lingyun Shi, Xiaomang Zhang, Zhihua Ji, Yafei Li, Xin Duan, Xiurong Wang, Wei Sun, Hao Zhang, Ming Chen, Yuxin Bi
  • Publication number: 20220223110
    Abstract: A display method, a display device, a display system, and a storage medium are provided. The display method includes: obtaining a first fixation coordinate transmitted by an image acquisition device, and obtaining a second fixation coordinate and a current frame of image that are transmitted by a first processor; performing refresh and display by using the current frame of image; determining a type of the current frame of image, and determining, based on the type, whether the first fixation coordinate changes abnormally; and performing refresh and display by using a previous frame of image for non-fixation region in a case that the first fixation coordinate changes abnormally, and performing refresh and display by using a next frame of image transmitted by the first processor in a case that the first fixation coordinate does not change abnormally.
    Type: Application
    Filed: December 20, 2021
    Publication date: July 14, 2022
    Inventors: Tiankuo SHI, Yifan HOU, Zhihua JI, Xiaomang ZHANG, Wei SUN, Rui LIU, Minglei CHU, Xue DONG, Hao ZHANG, Lili CHEN
  • Publication number: 20220189422
    Abstract: The embodiments of the present application disclose a method of controlling display of a display device, an apparatus thereof and a display apparatus. The display device includes a backlight unit and a display panel, wherein the backlight unit includes a plurality of backlight partitions, each of which is independently driven, and the display panel includes a plurality of display partitions in one-to-one correspondence with the backlight partitions. The method comprises: causing the display panel to display a test image, wherein each pixel of the test image has a same gray value; acquiring a luminance of each display partition of the display panel; determining a compensation coefficient according to the luminance of each display partition; adjusting backlight data of the backlight partition according to the compensation coefficient to obtain adjusted backlight data of each backlight partition; and providing the adjusted backlight data to the backlight unit for display by the display panel.
    Type: Application
    Filed: May 25, 2020
    Publication date: June 16, 2022
    Inventors: Mengmeng Wang, Xiurong Wang, Xiaomang Zhang, Wenhao Liu, Juanjuan Shi
  • Publication number: 20220166965
    Abstract: The present disclosure relates to a system for measuring a naked-eye stereoscopic image, a method and apparatus for processing an image and a display device. The system includes: a naked-eye stereoscopic display device, configured to display preset images in sequence; an image acquisition device, configured to obtain monochromatic images by capturing display contents of the naked-eye stereoscopic display device, and send the monochromatic images to a processor; and a processor, configured to acquire at least one preset crosstalk amount to each stereoscopic pixel of the naked-eye stereoscopic display device from each view point according to the monochromatic images, where each of the at least one preset crosstalk amount represents a proportion coefficient that measures how much a view from another view point affects a color value of a view from a target view point.
    Type: Application
    Filed: August 27, 2021
    Publication date: May 26, 2022
    Inventors: Minglei CHU, Yan SUN, Tiankuo SHI, Shuo ZHANG, Xiaomang ZHANG, Wei SUN, Xin DUAN, Rui LIU, Xue DONG
  • Patent number: 11335236
    Abstract: The present disclosure provides an image processing method and a display device including rows of actual pixels each including actual sub-pixels, and starting positions of actual sub-pixels in odd-numbered and even-numbered rows are staggered by a distance of half of an actual sub-pixel. The method includes: determining rows of theoretical pixels corresponding to a to-be-displayed image, each theoretical pixel including theoretical sub-pixels, each actual pixel corresponding to at least two theoretical pixels; calculating grayscale data of each actual sub-pixel in a manner of: for a target actual pixel, determining a rendering mode for calculating grayscale data of each actual sub-pixel of the target actual pixel according to whether there is a specified detail feature in a pixel area where target theoretical pixels corresponding to the target actual pixel are located, different rendering modes are employed when there is or there is not a specified detail feature in the pixel area.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: May 17, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiheng Zhou, Tiankuo Shi, Yue Li, Xiaomang Zhang, Jingpeng Zhao, Yifan Hou, Zhihua Ji, Yilang Sun, Yifang Chu, Chuanjun Liu, Xin Duan, Lingyun Shi
  • Patent number: 11328645
    Abstract: The display control method according to some embodiments of the present disclosure includes: acquiring an M-primary-color input signal from each pixel in an original image, the original image including a plurality of pixels corresponding to the plurality of pixel units respectively, each pixel being configured to display a colored image in M primary colors, M being an integer greater than 1 and smaller than N; and calculating an N-primary-color input signal for a corresponding pixel unit of the N-primary-color display panel in accordance with color coordinates of each primary color for the N-primary-color display panel and the M-primary-color input signal.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: May 10, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bin Dai, Xue Dong, Xiaomang Zhang, Jing Lv, Dong Chen, Yuxin Bi, Yanhui Xi, Xiaolong Li, Haijun Niu
  • Publication number: 20220138901
    Abstract: An image display method, an image processing method, an image processing device, a display system, and a computer-readable storage medium are disclosed. The image processing method is applied to an image processing device and includes: determining a first region in an original image; performing first processing on the first region in the original image to obtain a first processed region; performing second processing on the original image to obtain a second processed region; generating a first image based on the first processed region and the second processed region. A resolution of the first processed region is greater than a resolution of the second processed region.
    Type: Application
    Filed: January 13, 2022
    Publication date: May 5, 2022
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiankuo SHI, Xiaomang ZHANG, Xuefeng WANG, Bin DAI, Lingyun SHI, Wei SUN, Bo GAO, Yue LI